DAY2练习-购物车

Posted 2020-11-01 许儿

print(\'欢迎访问购物车\')
money = int(input(\'为方便购物，请输入您的总资产：\'))   #输入金钱必须为数字类型
shopping_price_list = [{"name": "电脑", "price": 1000} ,
                               {"name": "鼠标", "price": 10},
                               {"name": "游艇", "price": 20},
                               {"name": "美女", "price": 2000} ]
shopping_car = []
while True:
        index = 0
        for goods in shopping_price_list:
                 print(index, goods)
                 index += 1
        choice = input(\'请选择序号： (如果退出请输入q)\').strip().lower()
        # 判断输入的是否为数字
        if choice.isdigit():
            choice = int(choice )
            #判断商品存在
            if choice >=0 and choice <len(shopping_price_list):
                     goods = shopping_price_list[choice]
                     count = int(input(\'请输入你要购买的数量：\'))
                     #判断是否买得起
                     if goods[\'price\']*count <= money:
                         goods.setdefault(\'count\',count)
                         shopping_car.append(goods)
                         money -= goods[\'price\']*count
                         print(\'目前购买商品为: \'+ goods[\'name\'] + \'  购买数量：\'+ str(count)  + \'  当前余额为：\'+ str(money))

                     else:
                         money1 = goods[\'price\']*count-money
                         print(\'资金不够，还差%s钱\'%money1)
                         break
            else:
                print("商品不存在，请重新选择：")
        elif choice == \'q\':
              print(\'----------已购买商品列表----------------\')
              for i in shopping_car:
                     print(i)
              print(\'目前余额为：\',money)
              break
        else:
            print("无此选项")
-------------------------------------------------------------------------------------------------------------------------
更改输出颜色：

if goods[\'price\']*count <= money:
    goods.setdefault(\'count\',count)
    shopping_car.append(goods)
    money -= goods[\'price\']*count
    print(\'\\033[31;1m目前购买\\033[0m 商品为: \'+ goods[\'name\'] + \'  购买数量：\'+ str(count)  + \'  当前余额为：\'+ str(money))---------此方式会将目前购买四个字输出颜色为红色
    更改31数字可改变颜色加暗影等一系列特效。多试一下就好了！ \\033[1m 代表开始符   \\033[0m 代表结束符

---------------------------------------------------------------------------------------------------------------------------